#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
using namespace std;
#include<string>
int main()
{
	string s = "abcde";
	for (int i = 0; i < s.size(); i++)
	{
		s[i]=s[i] & 0xDF;
	}
	cout << s << endl;
	return 0;
}